/**
    *
    * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com>
    *
    * ====================================================================
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * ====================================================================
   */
  package org.jclouds.cloudsigma.domain;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  import java.util.Set;
  
  import javax.annotation.Nullable;
  
  import com.google.common.collect.ImmutableSet;
  
  /**
   * 
   * @author Adrian Cole
   */
  public class CreateDriveRequest extends Drive {
     public static class Builder extends Drive.Builder {
  
        private Set<String> avoid = ImmutableSet.of();
  
        @Nullable
        private String encryptionCipher;
  
        public Builder avoid(Iterable<String> avoid) {
           this.avoid = ImmutableSet.copyOf(checkNotNull(avoid, "avoid"));
           return this;
        }
  
        /**
         * {@inheritDoc}
         */
        @Override
        public Builder claimType(ClaimType claimType) {
           return Builder.class.cast(super.claimType(claimType));
        }
  
        public Builder encryptionCipher(String encryptionCipher) {
           this.encryptionCipher = encryptionCipher;
           return this;
        }
  
        /**
         * {@inheritDoc}
         */
        @Override
        public Builder name(String name) {
           return Builder.class.cast(super.name(name));
        }
  
        /**
         * {@inheritDoc}
         */
        @Override
        public Builder readers(Iterable<String> readers) {
           return Builder.class.cast(super.readers(readers));
        }
  
        /**
         * {@inheritDoc}
         */
        @Override
        public Builder size(long size) {
           return Builder.class.cast(super.size(size));
        }
  
        /**
         * {@inheritDoc}
         */
        @Override
        public Builder use(Iterable<String> use) {
           return Builder.class.cast(super.use(use));
        }
  
        public CreateDriveRequest build() {
           return new CreateDriveRequest(name, size, claimType, readers, use, encryptionCipher, avoid);
        }
     }
  
     private final Set<String> avoid;
     @Nullable
     private final String encryptionCipher;
  
    public CreateDriveRequest(String name, long size, @Nullable ClaimType claimType, Iterable<String> readers,
          Iterable<String> use, @Nullable String encryptionCipher, Iterable<String> avoid) {
       super(null, name, size, claimType, readers, use);
       this.encryptionCipher = encryptionCipher;
       this.avoid = ImmutableSet.copyOf(checkNotNull(avoid, "avoid"));
    }
 
    /**
     * 
     * @return list of existing drives to ensure this new drive is created on physical different
     *         hardware than those existing drives
     */
    public Set<String> getAvoid() {
       return avoid;
    }
 
    /**
     * 
     * @return either 'none' or 'aes-xts-plain' (the default)
     */
    @Nullable
    public String getEncryptionCipher() {
       return encryptionCipher;
    }
 
    @Override
    public int hashCode() {
       final int prime = 31;
       int result = super.hashCode();
       result = prime * result + ((avoid == null) ? 0 : avoid.hashCode());
       result = prime * result + ((encryptionCipher == null) ? 0 : encryptionCipher.hashCode());
       return result;
    }
 
    @Override
    public boolean equals(Object obj) {
       if (this == obj)
          return true;
       if (!super.equals(obj))
          return false;
       if (getClass() != obj.getClass())
          return false;
       CreateDriveRequest other = (CreateDriveRequest) obj;
       if (avoid == null) {
          if (other.avoid != null)
             return false;
       } else if (!avoid.equals(other.avoid))
          return false;
       if (encryptionCipher == null) {
          if (other.encryptionCipher != null)
             return false;
       } else if (!encryptionCipher.equals(other.encryptionCipher))
          return false;
       return true;
    }
 
    @Override
    public String toString() {
       return "[name=" + name + ", size=" + size + ", claimType=" + claimType + ", readers=" + readers + ", use=" + use
             + ", avoid=" + avoid + ", encryptionCipher=" + encryptionCipher + "]";
    }
 }